<template>
	<view class="uni-steps">
		<view
			:class="[
				direction === 'column' ? 'uni-steps__column' : 'uni-steps__row',
			]"
		>
			<view
				:class="[
					direction === 'column'
						? 'uni-steps__column-text-container'
						: 'uni-steps__row-text-container',
				]"
			>
				<view
					v-for="(item, index) in options"
					:key="index"
					:class="[
						direction === 'column'
							? 'uni-steps__column-text'
							: 'uni-steps__row-text',
					]"
				>
					<text
						:style="{
							color:
								index === active ? activeColor : deactiveColor,
						}"
						:class="[
							direction === 'column'
								? 'uni-steps__column-title'
								: 'uni-steps__row-title',
						]"
						>{{ item.title }}</text
					>
					<text
						:style="{ color: deactiveColor }"
						:class="[
							direction === 'column'
								? 'uni-steps__column-desc'
								: 'uni-steps__row-desc',
						]"
						>{{ item.desc }}</text
					>
				</view>
			</view>
			<view
				:class="[
					direction === 'column'
						? 'uni-steps__column-container'
						: 'uni-steps__row-container',
				]"
			>
				<view
					:class="[
						direction === 'column'
							? 'uni-steps__column-line-item'
							: 'uni-steps__row-line-item',
					]"
					v-for="(item, index) in options"
					:key="index"
				>
					<view
						:class="[
							direction === 'column'
								? 'uni-steps__column-line'
								: 'uni-steps__row-line',
							direction === 'column'
								? 'uni-steps__column-line--before'
								: 'uni-steps__row-line--before',
						]"
						:style="{
							backgroundColor:
								index <= active && index !== 0
									? activeColor
									: index === 0
									? 'transparent'
									: deactiveColor,
						}"
					>
					</view>
					<view
						:class="[
							direction === 'column'
								? 'uni-steps__column-check'
								: 'uni-steps__row-check',
						]"
						v-if="index === active"
					>
						<uni-icons
							:color="activeColor"
							:type="activeIcon"
							size="14"
						></uni-icons>
					</view>
					<view
						v-else
						:class="[
							direction === 'column'
								? 'uni-steps__column-circle'
								: 'uni-steps__row-circle',
						]"
						:style="{
							backgroundColor:
								index < active ? activeColor : deactiveColor,
						}"
					></view>
					<view
						:class="[
							direction === 'column'
								? 'uni-steps__column-line'
								: 'uni-steps__row-line',
							direction === 'column'
								? 'uni-steps__column-line--after'
								: 'uni-steps__row-line--after',
						]"
						:style="{
							backgroundColor:
								index < active && index !== options.length - 1
									? activeColor
									: index === options.length - 1
									? 'transparent'
									: deactiveColor,
						}"
					>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
/**
 * Steps 步骤条
 * @description 评分组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=34
 * @property {Number} active 当前步骤
 * @property {String} direction = [row|column] 当前步骤
 * 	@value row 横向
 * 	@value column 纵向
 * @property {String} activeColor 选中状态的颜色
 * @property {Array} options 数据源，格式为：[{title:'xxx',desc:'xxx'},{title:'xxx',desc:'xxx'}]
 */

export default {
	name: 'UniSteps',
	props: {
		direction: {
			// 排列方向 row column
			type: String,
			default: 'row',
		},
		activeColor: {
			// 激活状态颜色
			type: String,
			default: '#2979FF',
		},
		deactiveColor: {
			// 未激活状态颜色
			type: String,
			default: '#B7BDC6',
		},
		active: {
			// 当前步骤
			type: Number,
			default: 0,
		},
		activeIcon: {
			// 当前步骤
			type: String,
			default: 'checkbox-filled',
		},
		options: {
			type: Array,
			default() {
				return []
			},
		}, // 数据
	},
	data() {
		return {}
	},
}
</script>

<style lang="scss">
$uni-primary: #2979ff !default;
$uni-border-color: #ededed;
.uni-steps {
	/* #ifndef APP-NVUE */
	display: flex;
	width: 100%;
	/* #endif */
	/* #ifdef APP-NVUE */
	flex: 1;
	/* #endif */
	flex-direction: column;
}

.uni-steps__row {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
}

.uni-steps__column {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row-reverse;
}

.uni-steps__row-text-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
	align-items: flex-end;
	margin-bottom: 8px;
}

.uni-steps__column-text-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
	flex: 1;
}

.uni-steps__row-text {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	flex: 1;
	flex-direction: column;
}

.uni-steps__column-text {
	padding: 6px 0px;
	border-bottom-style: solid;
	border-bottom-width: 1px;
	border-bottom-color: $uni-border-color;
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
}

.uni-steps__row-title {
	font-size: 14px;
	line-height: 16px;
	text-align: center;
}

.uni-steps__column-title {
	font-size: 14px;
	text-align: left;
	line-height: 18px;
}

.uni-steps__row-desc {
	font-size: 12px;
	line-height: 14px;
	text-align: center;
}

.uni-steps__column-desc {
	font-size: 12px;
	text-align: left;
	line-height: 18px;
}

.uni-steps__row-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
}

.uni-steps__column-container {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	width: 30px;
	flex-direction: column;
}

.uni-steps__row-line-item {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	flex-direction: row;
	flex: 1;
	height: 14px;
	line-height: 14px;
	align-items: center;
	justify-content: center;
}

.uni-steps__column-line-item {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
	flex: 1;
	align-items: center;
	justify-content: center;
}

.uni-steps__row-line {
	flex: 1;
	height: 1px;
	background-color: #b7bdc6;
}

.uni-steps__column-line {
	width: 1px;
	background-color: #b7bdc6;
}

.uni-steps__row-line--after {
	transform: translateX(1px);
}

.uni-steps__column-line--after {
	flex: 1;
	transform: translate(0px, 1px);
}

.uni-steps__row-line--before {
	transform: translateX(-1px);
}

.uni-steps__column-line--before {
	height: 6px;
	transform: translate(0px, -13px);
}

.uni-steps__row-circle {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background-color: #b7bdc6;
	margin: 0px 3px;
}

.uni-steps__column-circle {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background-color: #b7bdc6;
	margin: 4px 0px 5px 0px;
}

.uni-steps__row-check {
	margin: 0px 6px;
}

.uni-steps__column-check {
	height: 14px;
	line-height: 14px;
	margin: 2px 0px;
}
</style>
